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Add a native compile target for demos #1457

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Aug 19, 2022
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45 changes: 36 additions & 9 deletions app/Commands/Compile.hs
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ import System.Process qualified as P
juvixBuildDir :: FilePath
juvixBuildDir = ".juvix-build"

data CompileTarget = TargetC | TargetWasm
data CompileTarget = TargetC | TargetWasm | TargetNative
deriving stock (Show)

data CompileRuntime
Expand All @@ -38,7 +38,7 @@ parseCompile = do
<> metavar "TARGET"
<> value TargetWasm
<> showDefaultWith targetShow
<> help "select a target: wasm, c"
<> help "select a target: wasm, c, native"
)

_compileRuntime <-
Expand Down Expand Up @@ -68,12 +68,14 @@ parseCompile = do
parseTarget = \case
"wasm" -> Right TargetWasm
"c" -> Right TargetC
"native" -> Right TargetNative
s -> Left $ "unrecognised target: " <> s

targetShow :: CompileTarget -> String
targetShow = \case
TargetC -> "c"
TargetWasm -> "wasm"
TargetNative -> "native"

parseRuntime :: String -> Either String CompileRuntime
parseRuntime = \case
Expand Down Expand Up @@ -103,6 +105,7 @@ runCompile projRoot compileInputFile o minic = do
case o ^. compileTarget of
TargetWasm -> runM (runError (clangCompile projRoot compileInputFile o))
TargetC -> return (Right ())
TargetNative -> runM (runError (clangNativeCompile projRoot compileInputFile o))

prepareRuntime :: FilePath -> CompileOptions -> IO ()
prepareRuntime projRoot o = do
Expand All @@ -123,16 +126,36 @@ prepareRuntime projRoot o = do
wallocDir :: [(FilePath, BS.ByteString)]
wallocDir = $(FE.makeRelativeToProject "c-runtime/walloc" >>= FE.embedDir)

libcRuntime :: [(FilePath, BS.ByteString)]
libcRuntime = wasiLibCRuntimeDir <> builtinCRuntimeDir

runtimeProjectDir :: [(FilePath, BS.ByteString)]
runtimeProjectDir = case o ^. compileRuntime of
RuntimeWasiStandalone -> wasiStandaloneRuntimeDir <> builtinCRuntimeDir <> wallocDir
RuntimeWasiLibC -> wasiLibCRuntimeDir <> builtinCRuntimeDir
RuntimeStandalone -> standaloneRuntimeDir <> builtinCRuntimeDir <> wallocDir
runtimeProjectDir = case o ^. compileTarget of
TargetNative -> libcRuntime
_ -> case o ^. compileRuntime of
RuntimeWasiStandalone -> wasiStandaloneRuntimeDir <> builtinCRuntimeDir <> wallocDir
RuntimeWasiLibC -> libcRuntime
RuntimeStandalone -> standaloneRuntimeDir <> builtinCRuntimeDir <> wallocDir

writeRuntime :: (FilePath, BS.ByteString) -> IO ()
writeRuntime (filePath, contents) =
BS.writeFile (projRoot </> juvixBuildDir </> takeFileName filePath) contents

clangNativeCompile ::
forall r.
Members '[Embed IO, Error Text] r =>
FilePath ->
FilePath ->
CompileOptions ->
Sem r ()
clangNativeCompile projRoot compileInputFile o = runClang (nativeArgs outputFile inputFile)
where
outputFile :: FilePath
outputFile = fromMaybe (takeBaseName compileInputFile) (o ^. compileOutputFile)

inputFile :: FilePath
inputFile = inputCFile projRoot compileInputFile

clangCompile ::
forall r.
Members '[Embed IO, Error Text] r =>
Expand Down Expand Up @@ -164,8 +187,7 @@ clangCompile projRoot compileInputFile o = clangArgs >>= runClang

commonArgs :: FilePath -> [String]
commonArgs wasmOutputFile =
[ "-nodefaultlibs",
"-std=c99",
[ "-std=c99",
"-Oz",
"-I",
juvixBuildDir,
Expand Down Expand Up @@ -195,10 +217,15 @@ wasiLibcArgs wasmOutputFile inputFile sysrootPath =
wasiCommonArgs sysrootPath wasmOutputFile
<> ["-lc", inputFile]

nativeArgs :: FilePath -> FilePath -> [String]
nativeArgs outputFile inputFile =
commonArgs outputFile <> [inputFile]

wasiCommonArgs :: FilePath -> FilePath -> [String]
wasiCommonArgs sysrootPath wasmOutputFile =
commonArgs wasmOutputFile
<> [ "--target=wasm32-wasi",
<> [ "-nodefaultlibs",
"--target=wasm32-wasi",
"--sysroot",
sysrootPath
]
Expand Down
4 changes: 4 additions & 0 deletions tests/CLI/Commands/compile.test
Original file line number Diff line number Diff line change
Expand Up @@ -6,3 +6,7 @@ $ juvix compile --help
$ cd tests/positive/MiniC/HelloWorld && juvix compile Input.juvix -o hello.wasm
>
>= 0

$ cd examples/milestone/HelloWorld && juvix compile -t native HelloWorld.juvix && ./HelloWorld
hello world!
>= 0